diff --git a/src/soc/intel/alderlake/pmc.c b/src/soc/intel/alderlake/pmc.c
index 03399c3..6ee3ef1 100644
--- a/src/soc/intel/alderlake/pmc.c
+++ b/src/soc/intel/alderlake/pmc.c
@@ -12,6 +12,7 @@
 #include <device/device.h>
 #include <drivers/intel/pmc_mux/chip.h>
 #include <intelblocks/pmc.h>
+#include <intelblocks/pmc_ipc.h>
 #include <intelblocks/pmclib.h>
 #include <intelblocks/rtc.h>
 #include <soc/pci_devs.h>
@@ -121,6 +122,10 @@
 	acpigen_write_mem32fixed(1, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE);
 	acpigen_write_resourcetemplate_footer();
 
+	/* Define IPC Write Method */
+	if (CONFIG(PMC_IPC_ACPI_INTERFACE))
+		pmc_ipc_acpi_fill_ssdt();
+
 	acpigen_pop_len(); /* PMC Device */
 	acpigen_pop_len(); /* Scope */